1. The Gene and Linda Voiland School of Chemical Engineering and Bioengineering Washington State University Pullman WA 99164 USA
2. Department of Materials Science and Engineering University of Maryland College Park MD 20742 USA
3. Current address: State Key Laboratory of Materials Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan 430074 China
4. Stanford Synchrotron Radiation Lightsource SLAC National Accelerator Laboratory Menlo Park CA 94025 USA
5. Institute for Integrated Catalysis Pacific Northwest National Laboratory Richland WA 99354 USA
6. X-ray Science Division Advanced Photon Source Argonne National Laboratory Lemont IL 60439 USA
7. Department of Chemical and Biological Engineering and Center for Micro-Engineered Materials University of New Mexico Albuquerque NM 87131 USA